Finding the Fourth Proportional to 1,814.13, 2,503.31 and 1,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.13 : 2,503.31 = 1,067.72 : x
2. Step 2: Convert to fraction form
   1,814.13/2,503.31 = 1,067.72/x
3. Step 3: Cross multiply
   1,814.13x = 2,503.31 × 1,067.72
4. Step 4: Simplify right side
   1,814.13x = 2,672,816.30
5. Step 5: Solve for x
   x = 2,672,816.30/1,814.13
6. Step 6: Final answer
   x = 1,473.33